Dr black is standing 20 feet from street lamp lamp shadow is 5 feet long angle from top of his shadown to top of light is 30degr
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Answer:
y = -3x + 8
Step-by-step explanation:
You have to find the slope first using the formula
Insert any two points in the equation (1,5) and (2,2) and you get -3.
Then, you do any x value times the slope (1*-3 = -3) and add so that it equals the corresponding y value (8).
This makes it y = -3x + 8.